Smart keys are battery-operated, meaning the battery can become depleted. Open Road Auto Group explains that smart keys put out a different encrypted signal every time a door is unlocked or a trunk is remotely opened. This prevents theft and makes the system safer from tech-savvy thieves. To avoid theft of vehicles, many carmakers have set the maximum frequency field for several of their smart key systems at 10 cm.Ī smart key does not send the same frequency signal over and over. This can happen at fueling stations, for example. #Smartsvn key driverIf a vehicle picks up on the low frequency transmissions of a smart key when a driver is too far from their car, another person can get into the car and even start and drive it, claims How Stuff Works Electronics. What Are the Security Requirements for Vehicle Smart Key System?Įven though smart keys are convenient, you don't want them to be unsafe. When the door handle is touched or pulled, the low frequency signal transmits to the antennas and allows the door to unlock. The external antennas are located in the door handles. Low frequency transmitting antennas inside and outside of the vehicle make it possible for Keyless Go to work. This is because of a transponder built into the vehicle that identifies the driver's key. Additionally, the engine can start and stop without the insertion of the key. When a driver has their Keyless Go key on their person, their vehicle can unlock as they approach it. Mercedes-Benz named their smart key system Keyless Go. Volvo: Personal Car Communicator 'PCC' and Keyless Drive or Keyless Drive.Volkswagen: Keyless Entry & Keyless Start or KESSY.Suzuki: SmartPress Keyless entry & starting system.Subaru: Keyless Smart Entry with Push-Button Start.Riverside Manufacturing LLC: Intelli-Fob.Mercedes-Benz: Keyless Go integrated into SmartKeys.Mazda: Advanced Keyless Entry & Start System.Infiniti: Infiniti Intelligent Key with Push-button Ignition.General Motors: Passive Entry Passive Start (PEPS).Ford: Intelligent Access with push-button start.Cadillac: Adaptive Remote Start & Keyless Access.Aston Martin: Keyless Entry and Push Button Start.Each system has a different name, but they are all smart keys that allow for either keyless entry, automative locking, push button start, or all three: What Are the Other Names for a Smart Key?Īccording to McGuire Lock & Safe, depending on the manufacturer, there are several different names for the smart key. This design patent was filed by Daimler-Benz on May 17, 1997, according to the German Patent and Trademark Office (Deutsches Patent - und Markenamt). The 1998 W220 S-Class was the first vehicle with a smart key. They were introduced by Mercedes-Benz and called Keyless Go. Siemens first developed smart keys in 1995. Smart keys are becoming more popular with newer models. Some vehicles come standard with a smart key, while other automobiles offer smart key as an upgrade. Touch a capacitive area on the door handleĪ smart key is a key designed for electronically accessing a corresponding vehicle.Get out of the car and bring their key with them.To lock a vehicle with a smart key system, a driver can do any of the following (this is because cars have various locking methods, depending or make or model): Most cars have a starter button to allow this system to work, while some have a twist on the ignition switch. Some smart key systems operate when a door handle or trunk release button is pressed or a sensor is activated.Ĭertain smart key systems can disengage the immobilizer in a vehicle and activate the ignition without putting a key into the ignition, as long as the driver has the key inside of the car. The radio waves of the key communicate with the vehicle to perform these convenient tasks. #Smartsvn key generatorEven when the key fob is in the driver's pocket, it can still unlock, lock, or start a vehicle, thanks to the antennas in the car's bodywork and the radio pulse generator in the key. How Does a Smart Key Work?Īccording to Open Road Auto Group, the smart key is part of the key fob that comes with a vehicle. One of the most popular technology features you can find with new cars is the smart key. Technology can make a driver's experience behind the wheel safer and more convenient. #Smartsvn key driversIn this digital era, modern drivers are looking for innovative and technologically advanced vehicles.
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